This ComPacT NSX250N is a complete 3P 3d fixed circuit breaker designed to optimize space and breaking capacity. It is an optimal choice for motor protection applications. The breaking capacity (Icu) is 50 kA rms at 415 VAC 50/60 Hz. The operating voltage is 690 VAC 50/60 Hz. This product has a magnetic trip unit (MA) with a 220 A rating. The MA trip unit provides adjustable magnetic protection for instantaneous trips. This 3-pole version (105 mm x 161 mm x 86 mm) comes with a wide range of optional features and accessories. It is compliant with international standards (IEC 60947), CCC, EAC and marine specifications. ComPacT NSX250N is part of Schneider Electric's EcoStruxure Power architecture.